Wijaya, Lenny, I Nyoman Ehrich Lister, Edy Fachrial, and Ermi Girsang. “Scavenge ABTS and Inhibition of Elastase Enzyme Activity from Ethanol Extract of Pineapple (Annas Cosmusus (L.) Merr) Core”. American Scientific Research Journal for Engineering, Technology, and Sciences 70, no. 1 (June 26, 2020): 106–113. Accessed March 28, 2024. https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/5716.